From 790ce3196c5cef5a138bae29fa7ac9f03fee5b1b Mon Sep 17 00:00:00 2001
From: Keith Wall <kwall@apache.org>
Date: Tue, 8 Jul 2014 21:40:01 +0000
Subject: QPID-5885: [Java Broker] Virtualhostnode to replace real virtualhost
 with replica virtualhost in the event that the BDB HA goes into detached
 state

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1608956 13f79535-47bb-0310-9956-ffa450edef68
---
 .../replication/ReplicatedEnvironmentFacade.java   | 17 -----------------
 .../berkeleydb/BDBHAVirtualHostNodeImpl.java       | 22 +++++++++++++---------
 .../store/berkeleydb/HAClusterTwoNodeTest.java     | 20 ++++++++------------
 3 files changed, 21 insertions(+), 38 deletions(-)

(limited to 'qpid/java/bdbstore')

diff --git a/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/replication/ReplicatedEnvironmentFacade.java b/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/replication/ReplicatedEnvironmentFacade.java
index 8b9039c792..f8b9636c5d 100644
--- a/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/replication/ReplicatedEnvironmentFacade.java
+++ b/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/replication/ReplicatedEnvironmentFacade.java
@@ -846,23 +846,6 @@ public class ReplicatedEnvironmentFacade implements EnvironmentFacade, StateChan
         {
             try
             {
-                if (environment.isValid())
-                {
-                    environment.setStateChangeListener(new StateChangeListener()
-                    {
-                        @Override
-                        public void stateChange(StateChangeEvent stateChangeEvent) throws RuntimeException
-                        {
-                            if (LOGGER.isDebugEnabled())
-                            {
-                                LOGGER.debug(
-                                        "When restarting a state change event is received on NOOP listener for state:"
-                                        + stateChangeEvent.getState());
-                            }
-                        }
-                    });
-                }
-
                 try
                 {
                     closeSequences();
diff --git a/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/virtualhostnode/berkeleydb/BDBHAVirtualHostNodeImpl.java b/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/virtualhostnode/berkeleydb/BDBHAVirtualHostNodeImpl.java
index 3868025096..0bbbff0f98 100644
--- a/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/virtualhostnode/berkeleydb/BDBHAVirtualHostNodeImpl.java
+++ b/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/virtualhostnode/berkeleydb/BDBHAVirtualHostNodeImpl.java
@@ -46,7 +46,6 @@ import com.sleepycat.je.rep.utilint.HostPortPair;
 import org.apache.log4j.Logger;
 
 import org.apache.qpid.server.configuration.updater.Task;
-import org.apache.qpid.server.configuration.updater.VoidTask;
 import org.apache.qpid.server.logging.messages.ConfigStoreMessages;
 import org.apache.qpid.server.model.Broker;
 import org.apache.qpid.server.model.BrokerModel;
@@ -104,6 +103,7 @@ public class BDBHAVirtualHostNodeImpl extends AbstractVirtualHostNode<BDBHAVirtu
     @ManagedAttributeField(afterSet="postSetPriority")
     private int _priority;
 
+
     @ManagedAttributeField(afterSet="postSetQuorumOverride")
     private int _quorumOverride;
 
@@ -425,12 +425,23 @@ public class BDBHAVirtualHostNodeImpl extends AbstractVirtualHostNode<BDBHAVirtu
     }
 
     private void onReplica()
+    {
+        createReplicaVirtualHost();
+    }
+
+
+    private void onDetached()
+    {
+        createReplicaVirtualHost();
+    }
+
+    private void createReplicaVirtualHost()
     {
         try
         {
             closeVirtualHostIfExist();
 
-            Map<String, Object> hostAttributes = new HashMap<String, Object>();
+            Map<String, Object> hostAttributes = new HashMap<>();
             hostAttributes.put(VirtualHost.MODEL_VERSION, BrokerModel.MODEL_VERSION);
             hostAttributes.put(VirtualHost.NAME, getGroupName());
             hostAttributes.put(VirtualHost.TYPE, "BDB_HA_REPLICA");
@@ -442,11 +453,6 @@ public class BDBHAVirtualHostNodeImpl extends AbstractVirtualHostNode<BDBHAVirtu
         }
     }
 
-    private void onDetached()
-    {
-        closeVirtualHostIfExist();
-    }
-
     protected void closeVirtualHostIfExist()
     {
         VirtualHost<?,?,?> virtualHost = getVirtualHost();
@@ -478,11 +484,9 @@ public class BDBHAVirtualHostNodeImpl extends AbstractVirtualHostNode<BDBHAVirtu
                 onReplica();
                 break;
             case DETACHED:
-                LOGGER.error("BDB replicated node in detached state, therefore passivating.");
                 onDetached();
                 break;
             case UNKNOWN:
-                LOGGER.warn("BDB replicated node in unknown state (hopefully temporarily)");
                 break;
             default:
                 LOGGER.error("Unexpected state change: " + state);
diff --git a/qpid/java/bdbstore/systests/src/main/java/org/apache/qpid/server/store/berkeleydb/HAClusterTwoNodeTest.java b/qpid/java/bdbstore/systests/src/main/java/org/apache/qpid/server/store/berkeleydb/HAClusterTwoNodeTest.java
index 24296246b8..8df419c3a7 100644
--- a/qpid/java/bdbstore/systests/src/main/java/org/apache/qpid/server/store/berkeleydb/HAClusterTwoNodeTest.java
+++ b/qpid/java/bdbstore/systests/src/main/java/org/apache/qpid/server/store/berkeleydb/HAClusterTwoNodeTest.java
@@ -22,11 +22,7 @@ package org.apache.qpid.server.store.berkeleydb;
 import java.io.File;
 
 import javax.jms.Connection;
-import javax.jms.Destination;
 import javax.jms.JMSException;
-import javax.jms.Message;
-import javax.jms.MessageConsumer;
-import javax.jms.Session;
 import javax.management.ObjectName;
 
 import org.apache.qpid.jms.ConnectionURL;
@@ -36,8 +32,6 @@ import org.apache.qpid.test.utils.QpidBrokerTestCase;
 
 public class HAClusterTwoNodeTest extends QpidBrokerTestCase
 {
-    private static final long RECEIVE_TIMEOUT = 5000l;
-
     private static final String VIRTUAL_HOST = "test";
 
     private static final String MANAGED_OBJECT_QUERY = "org.apache.qpid:type=BDBHAMessageStore,name=" + ObjectName.quote(VIRTUAL_HOST);
@@ -123,20 +117,22 @@ public class HAClusterTwoNodeTest extends QpidBrokerTestCase
         assertProducingConsuming(connection);
     }
 
-    public void testPersistentOperationsFailOnNonDesignatedPrimarysAfterSecondaryStopped() throws Exception
+    public void testPersistentOperationsFailOnNonDesignatedPrimaryAfterSecondaryStopped() throws Exception
     {
         startCluster(false);
         _clusterCreator.stopNode(_clusterCreator.getBrokerPortNumberOfSecondaryNode());
-        final Connection connection = getConnection(_brokerFailoverUrl);
-        assertNotNull("Expected to get a valid connection to primary", connection);
+
         try
         {
+            Connection connection = getConnection(_brokerFailoverUrl);
             assertProducingConsuming(connection);
-            fail("JMS peristent operations succeded on Master 'not designated primary' buy they should fail as replica is not available");
+            fail("Exception not thrown");
         }
         catch(JMSException e)
         {
-            // JMSException should be thrown on transaction start/commit
+            // JMSException should be thrown either on getConnection, or produce/consume
+            // depending on whether the relative timing of the node discovering that the
+            // secondary has gone.
         }
     }
 
@@ -166,7 +162,7 @@ public class HAClusterTwoNodeTest extends QpidBrokerTestCase
         assertFalse("Expected secondary node to NOT be set as designated primary", secondaryStoreBean.getDesignatedPrimary());
     }
 
-    public void testSecondaryDesignatedAsPrimaryAfterOrginalPrimaryStopped() throws Exception
+    public void testSecondaryDesignatedAsPrimaryAfterOriginalPrimaryStopped() throws Exception
     {
         startCluster(true);
         final ManagedBDBHAMessageStore storeBean = getStoreBeanForNodeAtBrokerPort(_clusterCreator.getBrokerPortNumberOfSecondaryNode());
-- 
cgit v1.2.1